Objectives: The Patient Health Questionnaire-9 Modified (PHQ-9M) is a self-report tool used to assess the presence and severity of depressive symptoms in teenagers. Despite widespread use in primary care clinics and psychiatric settings, the PHQ-9M has not been validated nor are its psychometric properties adequately understood for the adolescent population. This study sought to examine the psychometrics of the PHQ-9M in treatment-seeking, depressed adolescents at a psychiatric psychopharmacology clinic who were concurrently assessed with the Children's Depression Rating Scale Revised (CDRS-R) and Quick Inventory of Depressive Symptomatology-Adolescent (17-item) Self-Report (QIDS-A17-SR). Methods: Adolescents (N = 160) aged 13 through 18 years with a diagnosis of major depressive disorder, determined on the basis of a clinical interview and semi-structured interview using the Kiddie Schedule for Affective Disorders and Schizophrenia-Present and Lifetime Version, were assessed for severity of depressive symptoms with the PHQ-9M, CDRS-R (adolescent interview only), and QIDS-A17-SR assessments at baseline, 4, and 8 weeks. Classical test theory analysis was used to evaluate the internal consistency and dimensionality of the PHQ-9M. Convergent validity was evaluated via intraclass correlations of the PHQ-9M with the CDRS-R and QIDS-A17-SR. Sensitivity to treatment response was also evaluated. Results: The internal consistency (Cronbach's coefficient a) at baseline, 4, and 8 weeks was 0.879, 0.859, and 0.827 for the PHQ-9M; 0.739, 0.835, and 0.867 for CDRS-R; and 0.712, 0.777, and 0.804 for QIDS-A17-SR, respectively. The PHQ-9M had moderate convergent validity with the CDRS-R but good convergent validity with the QIDS-A17-SR. The PHQ-9M was less sensitive to changes in symptom severity than the CDRS-R and QIDS-A17-SR. Conclusions: The PHQ-9M appears to be a valid and reliable assessment tool for the severity of depressive symptoms in a psychiatric clinic setting. However, its utility as a treatment outcome measure may be limited compared with other available rating scales.
Background Dyskeratosis congenita (DC), an inherited bone marrow failure syndrome (IBMFS), is caused by defects in telomere biology which result in very short germline telomeres. Telomeres, long nucleotide repeats and a protein complex at chromosome ends, are essential for chromosomal stability. Several association studies suggest that short telomeres are associated with certain psychiatric disorders, including mood disorders and schizophrenia. There are two cases in the literature of schizophrenia and DC occurring as co-morbid conditions. We noted that many patients with DC in our cohort had neuropsychiatric conditions. Methods Subjects were participants in NCI’s IBMFS prospective cohort study. Psychiatric evaluation was incorporated into our clinical assessment in January 2009. Fourteen DC or DC-like patients, including six children, were evaluated in this study through in person interview by either a psychiatrist specialized in psychosomatic medicine or a child and adolescent psychiatrist. Results Three of the six pediatric subjects, and five of the eight adults had a neuropsychiatric condition such as a mood, anxiety, or adjustment disorder, intellectual disability, attention deficit hyperactivity disorder, or pervasive developmental disorders. The lifetime occurrence of any of these disorders in our study was 83% in pediatric subjects and 88% in adults. Notably, the literature reports neuropsychiatric conditions in 25% and 38% in chronically ill children and adults, respectively. Conclusion This pilot study suggests that patients with DC may have higher rates of neuropsychiatric conditions than the general population or other chronically ill individuals. This potential link between very short telomeres and neuropsychiatric conditions warrants further study.
Factors contributing to patients killing themselves while admitted to general hospital medical/surgical (med/surg) units have not been well described. These rare yet devastating suicides appear to have characteristics distinguishing them from suicides in psychiatric inpatients. This article emphasizes the importance of both agitation and readily available lethal means in suicides that are almost invariably impulsive. It also emphasizes how traditional risk factors such as past history of psychiatric illness, substance abuse, or suicidality typically are absent in this population, as are present depression and known suicidality. Caregivers seeking to prevent suicide in the med/surg environment therefore must appreciate the potential lethality of acute psychic and motoric agitation. Close surveillance of agitated patients, with interventions to calm them and secure their surroundings, will assure safety and save lives.
By design or by default, primary care providers (PCPs)are frequently the vanguard in the fight against suicide. Recent studies have highlighted programs to improve screening and prevention of suicidality in the medical home, particularly among high-risk patients, such as adolescents, the elderly, and veterans. Increasing efforts are also being paid to improving the PCP's skill in assessing for suicidality. However, it is becoming increasingly apparent that screening alone will not significantly lower suicide rates until it occurs within a well-integrated system that facilitates timely referral to more intensive mental health services for those patients who need them. Unfortunately, such systems are sorely lacking in many, if not most, areas of the USA.
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